[MMC] Add mmc_hostname() macro

mmc_hostname() returns a pointer to the hostname for the mmc_host.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c
index 5556cd3b5559..3a6b325a9149 100644
--- a/drivers/mmc/mmc_sysfs.c
+++ b/drivers/mmc/mmc_sysfs.c
@@ -206,7 +206,7 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host)
 int mmc_register_card(struct mmc_card *card)
 {
         snprintf(card->dev.bus_id, sizeof(card->dev.bus_id),
-                 "%s:%04x", card->host->host_name, card->rca);
+                 "%s:%04x", mmc_hostname(card->host), card->rca);
 
         return device_add(&card->dev);
 }